package com.preschool.service;

import com.preschool.pojo.Feedback;
import com.baomidou.mybatisplus.extension.service.IService;

import java.util.List;
import java.util.Map;


public interface FeedbackService extends IService<Feedback> {
    List<Map<String,Object>> getFeedBackByState(int state);

    int addFeedback(Feedback feedback);
}
